test: test surrogate pair filenames on windows

PR-URL: nodejs#51800
Fixes: nodejs#51789
Reviewed-By: Luigi Pinca <[email protected]>
Reviewed-By: Antoine du Hamel <[email protected]>
Reviewed-By: Yagiz Nizipli <[email protected]>
Reviewed-By: Marco Ippolito <[email protected]>

Author: mertcanaltin

test/parallel/test-fs-operations-with-surrogate-pairs.js

@@ -0,0 +1,31 @@
+'use strict';
+
+require('../common');
+const fs = require('node:fs');
+const path = require('node:path');
+const assert = require('node:assert');
+const { describe, it } = require('node:test');
+const tmpdir = require('../common/tmpdir');
+
+tmpdir.refresh();
+
+describe('File operations with filenames containing surrogate pairs', () => {
+  it('should write, read, and delete a file with surrogate pairs in the filename', () => {
+    // Create a temporary directory
+    const tempdir = fs.mkdtempSync(tmpdir.resolve('emoji-fruit-🍇 🍈 🍉 🍊 🍋'));
+    assert.strictEqual(fs.existsSync(tempdir), true);
+
+    const filename = '🚀🔥🛸.txt';
+    const content = 'Test content';
+
+    // Write content to a file
+    fs.writeFileSync(path.join(tempdir, filename), content);
+
+    // Read content from the file
+    const readContent = fs.readFileSync(path.join(tempdir, filename), 'utf8');
+
+    // Check if the content matches
+    assert.strictEqual(readContent, content);
+
+  });
+});